Do you face an error regarding http in your Blockchain exchange account. It will be a error 1022 on your Blockchain exchange account. When you face this issue and you recreating your keys just by running the same code with the new keys . But this solution cannot worked out to solve the issue . I can face the same issue regarding http in your Blockchain exchange account. When I already deleted and renewed my keys multiple times regarding Blockchain exchange account. You simply call on Blockchain support number +1-800-861-8259 in order to solve the http issue that you faced in your Blockchain exchange account.